package DS;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.PriorityQueue;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: homechen
 * Date: 2024-03-25
 * Time: 13:18
 */
public class HashMapDemo {
    public static void main(String[] args) {
        HashMap<Integer, Integer> hashMap = new HashMap<>();
        Hashtable<Integer, Integer> hashtable = new Hashtable<>();
    }
}
